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Re: [Help-glpk] reading GNU Math Prog .dat files through Rglpk

From: Heinrich Schuchardt
Subject: Re: [Help-glpk] reading GNU Math Prog .dat files through Rglpk
Date: Tue, 17 Feb 2015 15:31:15 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0

Hello Stefan,

the GLPK help list received the mail copied below.

As the question is about Rglpk and not about GLPK I guess you should be
able to answer it.

The Rglpk_read_file function lacks correct error handling. Therefore the
whole R session will end if an error occurs in the GLPK library.

Please, use glp_error_hook() to define a hook function which will
gracefully handle errors.

I append an example code.

Best regards

Heinrich Schuchardt

On 17.02.2015 13:53, address@hidden wrote:
> Hi
> I would like to know if it is possible to read separate .dat and .mod
> files written in the GNU Mathematical Programming Language using the
> “Rglpk_read_file” function. The .mod files in the “examples” folder
> include a data section and when the data part is removed R crashes.
> If working with separate .dat and .mod files is not currently possible,
> I would like to know if this feature might be added in the future.
> Thanks
> Kind regards,
> Tomas

Attachment: glp_error_hook_demo.c
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